Table 1.
Demographic characteristics of the participants
| Characteristics | Melissa | Placebo | P value b |
|---|---|---|---|
| Age (year) | 21.08±1.34 | 21.14±1.61 | 0.60 |
| Menarche | 13.30±1.35 | 13.46±1.05 | 0.50 |
| Age of dysmenorrhea | 15.62±2.23 | 15.66±1.84 | 0.92 |
| Body mass index (kg/m2)c | 21.73±3.07 | 22.59±3.82 | 0.24 |
| Length of bleeding (day) | 6.12±1.35 | 6±1.21 | 0.64 |
| Length of Menstrual Cycle (day) | 26.78±2.7 | 27.48±2.9 | 0.22 |
a
Values are given as mean±SD unless otherwise indicated.
b
t- test.
c
Calculated as weight in kilograms divided by the square of height in meters.